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Device and method for measuring liquid flow-solid conversion mechanism in impact process

A technology of impact device and liquid flow, applied in the direction of analyzing materials, instruments, etc., to achieve the effect of solving engineering problems, expanding application fields, and simplifying the way of information processing

Inactive Publication Date: 2015-04-15
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There is currently no experimental setup well suited for measuring fluid-solid transitions during impact

Method used

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  • Device and method for measuring liquid flow-solid conversion mechanism in impact process
  • Device and method for measuring liquid flow-solid conversion mechanism in impact process
  • Device and method for measuring liquid flow-solid conversion mechanism in impact process

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Experimental program
Comparison scheme
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Embodiment Construction

[0038] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0039] Such as figure 1 As shown, a device for measuring the fluid-solid transformation mechanism of liquid during the impact process, including a pressure chamber, a loading frame, an impact device, a motor power device, various sensors, electromagnets, impact objects of different shapes, and a loading tank . The sensors include a high-frequency video acquisition instrument 10 , a particle dynamic scanner 9 , a pressure sensor 8 and a velocity sensor 22 .

[0040] The pressure box 2 can be sealed after being closed with the cover 1, and there is an air valve 3 on it, which can be inflated or pumped into the box by an air compressor to achieve pressurization or decompression.

[0041]The right side of the impact device 14 has a tooth groove 18, which is connected with the gear 19 of the motor; the motor power unit 6 is used as the force device of the whole set of i...

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PUM

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Abstract

The invention discloses a device and method for measuring the liquid flow-solid conversion mechanism in an impact process. The device comprises a pressure box body and a loading tank arranged in the pressure box body, wherein an air valve is arranged on the pressure box body; a loading rack is also arranged in the pressure box body; the loading tank is arranged in the loading rack; an impact device connected with a motor power device and ascending and descending on the loading rack is arranged at the upper end of the loading rack; the lower end of the impact device is connected with an impact object which can acts on the loading tank; a speed measuring sensor is arranged on the impact object; pressure sensors are arranged at the bottom and on the side surfaces of the loading tank; a video capture instrument and a particle dynamics scanner are arranged on the loading rack; a stop block is further arranged on the loading rack and positioned right below the impact device. According to the invention, the liquid flow-solid conversion critical speed in the impact process can be well measured, different formulas can be evaluated and the matching can be optimized.

Description

technical field [0001] The present invention is capable of studying the basic mechanical behavior of the granular material in the solid-liquid transformation process through the impact test, understanding the contribution rate of shear flow and extrusion flow in the solid-liquid transformation process, and revealing the internal mechanism of the solid-liquid transformation. So as to provide guidance for practical engineering applications, it is widely used in many technical fields such as chemical industry, textile, transportation, civil engineering, medical treatment, and national defense. Background technique [0002] The transition phenomenon between solid and liquid phases of particulate matter widely exists in many fields such as engineering geology, natural environment, industrial production and national defense construction, and its mechanical properties will change greatly during the phase transition process. Research hotspots and difficulties. The solid-liquid tran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/00
Inventor 李强殷德顺周超
Owner HOHAI UNIV
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